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Livermore
Livermore
ZHEN

Renaissance Technologies LLC

SEC CIK
0001037389
Latest filing
Aug 13, 2026

MKTX holding history

Marketaxess Holdings Inc in every 13F filed by Renaissance Technologies LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

MKTX overviewAll 13F holders of MKTXFull Q2 2026 holdings

Shares (Q2 2026)
200,000
Value
$22.7M
% of portfolio
<0.1%
Quarters held
21
Since Q1 2021
Holdings of MKTX by Renaissance Technologies LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026200,000$22.7M<0.1%+32,900+19.7%AddedHolders
Q1 2026167,100$27.6M<0.1%−8,900−5.1%ReducedHolders
Q4 2025176,000$31.9M<0.1%−69,000−28.2%ReducedHolders
Q3 2025245,000$42.7M0.1%+54,400+28.5%AddedHolders
Q2 2025190,600$42.6M0.1%+61,100+47.2%AddedHolders
Q1 2025129,500$28.0M<0.1%−98,380−43.2%ReducedHolders
Q4 2024227,880$51.5M0.1%+40,270+21.5%AddedHolders
Q3 2024187,610$48.1M0.1%+22,974+14.0%AddedHolders
Q2 2024164,636$33.0M0.1%+159,436+3,066.1%AddedHolders
Q1 20245,200$1.14M<0.1%+5,200NewHolders
Q4 20230$00.0%−121,110−100.0%Sold outHolders
Q3 2023121,110$25.9M<0.1%+60,300+99.2%AddedHolders
Q2 202360,810$15.9M<0.1%−3,163−4.9%ReducedHolders
Q1 202363,973$25.0M<0.1%−3,100−4.6%ReducedHolders
Q4 202267,073$18.7M<0.1%−69,510−50.9%ReducedHolders
Q3 2022136,583$30.4M<0.1%+77,110+129.7%AddedHolders
Q2 202259,473$15.2M<0.1%+33,500+129.0%AddedHolders
Q1 202225,973$8.84M<0.1%−65,810−71.7%ReducedHolders
Q4 202191,783$37.7M<0.1%−93,690−50.5%ReducedHolders
Q3 2021185,473$78.0M0.1%−118,670−39.0%ReducedHolders
Q2 2021304,143$141.0M0.2%−148,910−32.9%ReducedHolders
Q1 2021453,053$225.6M0.3%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.